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1. Three loads are connected in parallel across a single-phase source voltage of 240 V (RMS). Load 1 absorbs 5 kW and 4 kvar. Load 2 absorbs 3 kVA at 0.95 PF leading. Load 3 absorbs 4 kW at unity power factor. Calculate the equivalent resistance, R, and reactance, X, for the overall combined load, i.e., all three parallel loads lumped into one, for two cases: (a) series combination of R. and X, and (b) parallel combination of R. and X.

1. Three loads are connected in parallel across a single-phase source voltage of 240 V (RMS). Load 1 absorbs 5 kW and 4 kvar. Load 2 absorbs 3 kVA at 0.95 PF leading. Load 3 absorbs 4 kW at unity power factor. Calculate the equivalent resistance, R, and reactance, X, for the overall combined load, i.e., all three parallel loads lumped into one, for two cases: (a) series combination of R. and X, and (b) parallel combination of R. and X.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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1. Three loads are connected in parallel across a single-phase source voltage of 240 V (RMS). Load 1 absorbs 5 kW and 4 kvar. Load 2 absorbs 3 kVA at 0.95 PF leading. Load 3 absorbs 4 kW at unity power factor. Calculate the equivalent resistance, R, and reactance, X, for the overall combined load, i.e., all three parallel loads lumped into one, for two cases: (a) series combination of R. and X, and (b) parallel combination of R. and X.
Transcribed Image Text:1. Three loads are connected in parallel across a single-phase source voltage of 240 V (RMS). Load 1 absorbs 5 kW and 4 kvar. Load 2 absorbs 3 kVA at 0.95 PF leading. Load 3 absorbs 4 kW at unity power factor. Calculate the equivalent resistance, R, and reactance, X, for the overall combined load, i.e., all three parallel loads lumped into one, for two cases: (a) series combination of R. and X, and (b) parallel combination of R. and X.
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